Quick Summary
The S.E.PEAK S-503D is a two-piece set of D-shaped twist-locking climbing carabiners, identified as green and gray. Each has a stated 30 kN major-axis rating, with separate minor-axis and open-gate ratings. The listed gate mechanism locks automatically when released.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Model and quantity | S-503D; 2 carabiners, identified as green and gray. |
| Shape and gate | D-shaped, with a twist-locking barrel and keylock nose. |
| Dimensions | 4.33 in long by 2.91 in wide; stated gate opening is 0.87 in. |
| Strength ratings | Major axis: 30 kN; minor axis: 8 kN; open gate: 6 kN. These ratings apply to different configurations and are not interchangeable. |
| Material | Identified as 7075 aluminum-magnesium alloy. |
| Standards and certification identifiers | The product information states UIAA certification number USA CHN 22-6399, CE 1019, and references EN 12275:2013, EN 362:2005, EN 365:2005 and ASTM F1774. Check which standards apply to the intended activity and equipment system. |
Compatibility, Size and Fit
Compare the 0.87 in gate opening and D shape with the components you intend to connect. A stated dimension alone does not establish compatibility with a particular rope, belay system, pulley, descender or lanyard.
What to Compare Before Buying
- Load direction: Check the intended setup against the separate major-axis, minor-axis and open-gate ratings. The 30 kN figure is not a rating for every orientation.
- Standards: Confirm that the cited standards and certification identifiers are relevant to your activity and complete equipment system.
- Configuration: Check that the two-carabiner set and green-and-gray color combination match your needs.
Before You Decide
Confirm the two-piece configuration, check connection fit and review the applicable equipment requirements. Follow the manufacturer’s instructions for use and inspection; the stated ratings and certifications do not guarantee safety or eliminate risk.
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